Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eea47bc32a20bb4…

MALICIOUS

PDF

35.7 KB Created: 2020-08-20 13:54:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61b5a3020a87b3daa7e53b27a5cfbdc7 SHA-1: cf57109068b9a1b08a4f7e23bfd64b3d4b9dfb11 SHA-256: 8eea47bc32a20bb4fbfecbac1a57a81f93a3443d3b93a5ab3224c24e606e5e55
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=symantec+dlp+15.+0+mp1+upgrade+guide'. This URL is designed to redirect users to potentially harmful content. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body, though partially corrupted, contains text suggesting it's a technical guide, which is a common lure for phishing or malware delivery.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.cc/pify?keyword=symantec+dlp+15.+0+mp1+upgrade+guide
    • http://files.mindfuldemocracy.org/uploads/1/3/0/7/130776257/rasot-datugibisakose-kebezijojeva.pdf
    • http://motelo.anavantage.com/uploads/1/3/0/8/130874565/4645fa6.pdf
    • https://cdn.shopify.com/s/files/1/0433/8548/7525/files/podezupomuvabuganu.pdf
    • https://cdn.shopify.com/s/files/1/0429/7516/6620/files/78244827018.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/78600799615.pdf
    • https://cdn.shopify.com/s/files/1/0433/8489/7692/files/28663656464.pdf
    • https://cdn.shopify.com/s/files/1/0430/5331/8306/files/36956641003.pdf
    • https://cdn.shopify.com/s/files/1/0431/6997/2392/files/kurejutizavofubozaf.pdf
    • https://cdn.shopify.com/s/files/1/0433/3453/3275/files/agricultural_engineering_textbooks.pdf
    • https://cdn.shopify.com/s/files/1/0429/3070/0455/files/12331331324.pdf
    • https://cdn.shopify.com/s/files/1/0428/1715/9335/files/daxuxabotuwukefemogodagen.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000473d.bin
e1cfc67700933bc2b5d941f939c90bb61c01b6b8589ab79655e4064ae51e5a4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x473D 5768 bytes
font_01_sfnt_off00005ad5.bin
967e48a22779ab5152f8e83cf8783d9f123b7471dbed6d902253c9e7be7f6e83		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD5 12448 bytes

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